This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 15 Biodiversity And Conservation – Quiz 26 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 26 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following represents diversity at ecosystem level? A) Genetic diversity. B) Ecological diversity. C) Species diversity. D) Species evenness. Show Answer Correct Answer: B) Ecological diversity. 2. This occurs on land that previously had no soil A) Primary succession. B) Secondary succession. C) Evolution. D) Habitat destruction. Show Answer Correct Answer: A) Primary succession. 3. What is a keystone species, and why is it important for maintaining biodiversity? A) A species that is the most abundant in an ecosystem. B) A species that has a disproportionately large impact on its environment relative to its abundance. C) A species that is always at the top of the food chain. D) A species that is found only in one specific location. Show Answer Correct Answer: B) A species that has a disproportionately large impact on its environment relative to its abundance. 4. In India, we find mangoes with different flavours, colours, fibre content, sugar content and even shelf-life. The large variation is on account of A) Species diversity. B) Induced mutations. C) Genetic diversity. D) Hybridization. Show Answer Correct Answer: C) Genetic diversity. 5. What is the effect of overharvesting marine species? A) Improved ocean health. B) Loss of biodiversity. C) Increase in fish population. D) Preservation of coral reefs. Show Answer Correct Answer: B) Loss of biodiversity. 6. Which of the following is NOT a type of biodiversity? A) Genetic diversity. B) Species diversity. C) Ecosystem diversity. D) Habitat diversity. Show Answer Correct Answer: D) Habitat diversity. 7. An agreement regulating the trade of threatened or endangered species A) Kyoto Protocol. B) Nature Conservancy. C) CITES. D) Sustainability. Show Answer Correct Answer: C) CITES. 8. The use of a oil-eating bacteria to clean up an oil spill way is an example of: A) Invasive Species. B) Natural Resources. C) Endemic. D) Bioremediation. Show Answer Correct Answer: D) Bioremediation. 9. Describe a sustainable practice that can help conserve biodiversity. A) Agroforestry practices that integrate trees into farming systems. B) Overfishing in marine ecosystems. C) Urban development without green spaces. D) Monoculture farming that relies on chemical fertilizers. Show Answer Correct Answer: A) Agroforestry practices that integrate trees into farming systems. 10. Describe one method of habitat restoration. A) Overfishing management is a method of habitat restoration. B) Urban development is a method of habitat restoration. C) Reforestation is a method of habitat restoration. D) Pollution control is a method of habitat restoration. Show Answer Correct Answer: C) Reforestation is a method of habitat restoration. 11. An example of an aesthetic value of biodiversity would be: A) Enjoying a hike through a beautiful forest. B) Having clean drinking water. C) Nutrient rich soil. D) Catching lots of fish when fishing. Show Answer Correct Answer: A) Enjoying a hike through a beautiful forest. 12. What does preserving natural habitats help support? A) Only invasive species. B) A single species. C) A wide variety of species. D) Only human activities. Show Answer Correct Answer: C) A wide variety of species. 13. Using resources at a rate in which they can be replacedor recycled while preserving the long-term environmental health of the biosphere. A) Sustainable use. B) Natural Resources. C) Renewable resources. D) Non-renewable resources. Show Answer Correct Answer: A) Sustainable use. 14. Archaeological evidence shows that in case after case, a wave of ..... followed whenever humans arrived on islands and continents. A) Biodiversity. B) Treaty. C) Extinctions. D) Endemic. Show Answer Correct Answer: C) Extinctions. 15. Bats participating in plant pollination is what type of ecosystem service? A) Food production. B) Insect and pest control. C) Oxygen production. D) Component of food webs. Show Answer Correct Answer: A) Food production. 16. A ..... is an area that supports an especially high number of endemic species, but is rapidly losing biodiversity. A) Genetic diversity. B) Species diversity. C) Biodiversity hotspot. D) Endemic. Show Answer Correct Answer: C) Biodiversity hotspot. 17. Which place is kangaroos considered to be endemic A) Island of Madagascar. B) Polar Regions. C) Australia. D) None of these. Show Answer Correct Answer: C) Australia. 18. Because of the Endangered Species Act, the sale of protected animals or plants is A) Punishable by a substantial fine. B) Subject to approval by a Species Review Board. C) Limited to quotas set for each species. D) Allowed for threatened but not endangered species. Show Answer Correct Answer: A) Punishable by a substantial fine. 19. Which of the following resources can be considered renewable? A) Natural gas. B) Quartz. C) Uranium. D) Wood. Show Answer Correct Answer: D) Wood. 20. What is the correct hierarchy of taxonomic groups, from largest to smallest? A) Family, genus, species, subspecies. B) Genus, family, subspecies, species. C) Family, genus, subspecies, species. D) Genus, family, species, subspecies. Show Answer Correct Answer: A) Family, genus, species, subspecies. 21. How do invasive species impact native ecosystems? A) They increase biodiversity by adding more species. B) They often outcompete native species for resources. C) They help in pollination and seed dispersal. D) They have no significant impact on native ecosystems. Show Answer Correct Answer: B) They often outcompete native species for resources. 22. Which of the following is a focus of the CBC's Evidence Initiative? A) Promoting fossil fuel usage. B) Synthesizing evidence for sustainable conservation. C) None of the above. D) Decreasing public awareness. Show Answer Correct Answer: B) Synthesizing evidence for sustainable conservation. 23. The level of biodiversity that involves a variety of habitats and communities is A) Ecosystem diversity. B) Genetic diversity. C) Populations diversity. D) Species diversity. Show Answer Correct Answer: A) Ecosystem diversity. 24. Exotic or invasive species leads to all of these problems except A) Increased biodiversity. B) Loss of biodiversity. C) Disease. D) Loss of native species. Show Answer Correct Answer: A) Increased biodiversity. 25. What conservation strategy uses areas that connect fragmented habitats A) Wildlife corridors. B) Conservation concessions. C) Captive breeding programs. D) Cloning. E) Species education. Show Answer Correct Answer: A) Wildlife corridors. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 15 Biodiversity And Conservation Quiz 1Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 2Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 3Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 4Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 5Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 6Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 7Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 8Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 9Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books